It is called "reformat and reinstallation of Windows"
Or if you have one of the "Big Name Boxes" using the "Restore Disks".
I've read the above several times, and I *think* (but am not sure)
that you want to remove everything on the computer and reinstall
Windows.
If that's correct, yes you can do it. How you do it depends on the
particular laptop and its manufacturer. You should check with the
manufacturer to find out how.
By the way, why do you want to do this? In my view, it's more often a
mistake than not.
--
Ken Blake, Microsoft MVP - Windows Desktop Experience
Please Reply to the Newsgroup
Yes, a totally fresh install of Windows.